drm/gma500: Add generic set_config() function

Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>

1 files changed, 16 insertions, 0 deletions

diff --git a/drivers/gpu/drm/gma500/gma_display.c b/drivers/gpu/drm/gma500/gma_display.c
index cca40c0b64e4..2a3e9254e651 100644
--- a/drivers/gpu/drm/gma500/gma_display.c
+++ b/drivers/gpu/drm/gma500/gma_display.c
@@ -519,6 +519,22 @@ void gma_crtc_destroy(struct drm_crtc *crtc)
         kfree(psb_intel_crtc);
 }
 
+int gma_crtc_set_config(struct drm_mode_set *set)
+{
+        struct drm_device *dev = set->crtc->dev;
+        struct drm_psb_private *dev_priv = dev->dev_private;
+        int ret;
+
+        if (!dev_priv->rpm_enabled)
+                return drm_crtc_helper_set_config(set);
+
+        pm_runtime_forbid(&dev->pdev->dev);
+        ret = drm_crtc_helper_set_config(set);
+        pm_runtime_allow(&dev->pdev->dev);
+
+        return ret;
+}
+
 /**
  * Save HW states of given crtc
  */